[PATCH 2/3] perf-test: cache unpacked corpus

[Austin Clements]

On Mon, 03 Dec 2012, david at tethera.net wrote:
> From: David Bremner <bremner at debian.org>
>
> Unpacking is not really the expensive step (compared to the initial
> notmuch new), but this is a pre-requisite to caching the database.
> ---
>  performance-test/.gitignore       |    1 +
>  performance-test/Makefile.local   |    2 +-
>  performance-test/perf-test-lib.sh |   51 +++++++++++++++++++++----------------
>  3 files changed, 31 insertions(+), 23 deletions(-)
>
> diff --git a/performance-test/.gitignore b/performance-test/.gitignore
> index 53f2697..7e20f7c 100644
> --- a/performance-test/.gitignore
> +++ b/performance-test/.gitignore
> @@ -1 +1,2 @@
>  tmp.*/
> +corpus.mail.*/
> diff --git a/performance-test/Makefile.local b/performance-test/Makefile.local
> index 5d2acbd..eb713d0 100644
> --- a/performance-test/Makefile.local
> +++ b/performance-test/Makefile.local
> @@ -29,4 +29,4 @@ $(TXZFILE):
>  download-corpus:
>  	wget -O ${TXZFILE} ${DEFAULT_URL}
>  
> -CLEAN := $(CLEAN) $(dir)/tmp.*
> +CLEAN := $(CLEAN) $(dir)/tmp.* $(dir)/corpus.mail.*
> diff --git a/performance-test/perf-test-lib.sh b/performance-test/perf-test-lib.sh
> index bba793d..9fbf874 100644
> --- a/performance-test/perf-test-lib.sh
> +++ b/performance-test/perf-test-lib.sh
> @@ -35,37 +35,44 @@ then
>  	exit 1
>  fi
>  
> +CORPUS_DIR=${TEST_DIRECTORY}/corpus.mail.$corpus_size
>  add_email_corpus ()
>  {
>      rm -rf ${MAIL_DIR}
> +    if [ ! -d $CORPUS_DIR ]; then
> +	case "$corpus_size" in
> +	    small)
> +		arg="mail/enron/bailey-s"
> +		;;
> +	    medium)
> +		arg="mail/notmuch-archive"
> +		;;
> +	    *)
> +		arg=mail
> +	esac
>  
> -    case "$1" in
> -	--small)
> -	    arg="mail/enron/bailey-s"
> -	    ;;
> -	--medium)
> -	    arg="mail/notmuch-archive"
> -	    ;;

The README still refers to these arguments, so it should be updated,
too.

> -	*)
> -	    arg=mail
> -    esac
> +	if command -v pixz > /dev/null; then
> +	    XZ=pixz
> +	else
> +	    XZ=xz
> +	fi
>  
> -    if command -v pixz > /dev/null; then
> -	XZ=pixz
> -    else
> -	XZ=xz
> -    fi
> +	printf "Unpacking corpus\n"
> +	mkdir $CORPUS_DIR
> +
> +	tar --checkpoint=.5000 --extract --strip-components=2 \
> +	    --directory $CORPUS_DIR \
> +	    --use-compress-program ${XZ} \
> +	    --file ../download/notmuch-email-corpus-${PERFTEST_VERSION}.tar.xz \
> +	    notmuch-email-corpus/"$arg"
>  
> -    printf "Unpacking corpus\n"
> -    tar --checkpoint=.5000 --extract --strip-components=1 \
> -	--directory ${TMP_DIRECTORY} \
> -	--use-compress-program ${XZ} \
> -	--file ../download/notmuch-email-corpus-${PERFTEST_VERSION}.tar.xz \
> -	notmuch-email-corpus/"$arg"
> +	printf "\n"
>  
> -    printf "\n"
> +    fi
> +    cp -lr $CORPUS_DIR $MAIL_DIR
>  }
>  
> +
>  print_header () {
>      printf "[v%4s]               Wall(s)\tUsr(s)\tSys(s)\tRes(K)\tIn(512B)\tOut(512B)\n" \
>  	   ${PERFTEST_VERSION}
> -- 
> 1.7.10.4
>
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